ChatCo/firestore.rules at main · codeX-Studio-HQ/ChatCo · GitHub

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rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {

    function signedIn() {
      return request.auth != null;
    }

    // Kullanıcı profili
    match /users/{userId} {
      allow read: if signedIn();
      allow create, update: if signedIn() && request.auth.uid == userId;
      allow delete: if signedIn() && request.auth.uid == userId;

      match /friends/{friendId} {
        allow read: if signedIn() && request.auth.uid == userId;
        allow write: if signedIn() && (request.auth.uid == userId || request.auth.uid == friendId);
      }
    }

    // Kullanıcı adı → uid (arkadaş aramada tek belge okuma)
    match /usernames/{handle} {
      allow read: if signedIn();
      allow create: if signedIn()
        && request.resource.data.keys().hasOnly(['uid'])
        && request.resource.data.uid == request.auth.uid;
      allow update: if signedIn()
        && resource.data.uid == request.auth.uid
        && request.resource.data.uid == request.auth.uid;
      allow delete: if signedIn() && resource.data.uid == request.auth.uid;
    }

    match /friend_requests/{requestId} {
      allow read: if signedIn()
        && (resource.data.fromUid == request.auth.uid || resource.data.toUid == request.auth.uid);
      allow create: if signedIn()
        && request.resource.data.fromUid == request.auth.uid
        && request.resource.data.status == 'pending';
      allow delete: if signedIn()
        && (resource.data.fromUid == request.auth.uid || resource.data.toUid == request.auth.uid);
      allow update: if false;
    }

    match /chats/{chatId} {
      allow read: if signedIn() && request.auth.uid in resource.data.memberIds;
      allow create: if signedIn() && request.auth.uid in request.resource.data.memberIds;
      allow update: if signedIn() && request.auth.uid in resource.data.memberIds;

      match /messages/{messageId} {
        allow read: if signedIn()
          && request.auth.uid in get(/databases/$(database)/documents/chats/$(chatId)).data.memberIds;
        allow create: if signedIn()
          && request.resource.data.senderUid == request.auth.uid
          && request.auth.uid in get(/databases/$(database)/documents/chats/$(chatId)).data.memberIds;
        allow update, delete: if false;
      }
    }
  }
}